1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: trace_marker trigger - test snapshot trigger 4# requires: set_event snapshot events/ftrace/print/trigger 5# flags: instance 6 7fail() { #msg 8 echo $1 9 exit_fail 10} 11 12test_trace() { 13 file=$1 14 x=$2 15 16 cat $file | while read line; do 17 comment=`echo $line | sed -e 's/^#//'` 18 if [ "$line" != "$comment" ]; then 19 continue 20 fi 21 echo "testing $line for >$x<" 22 match=`echo $line | sed -e "s/>$x<//"` 23 if [ "$line" = "$match" ]; then 24 fail "$line does not have >$x< in it" 25 fi 26 x=$((x+2)) 27 done 28} 29 30echo "Test snapshot trace_marker trigger" 31 32echo 'snapshot' > events/ftrace/print/trigger 33 34# make sure the snapshot is allocated 35 36grep -q 'Snapshot is allocated' snapshot 37 38for i in `seq 1 10` ; do echo "hello >$i<" > trace_marker; done 39 40test_trace trace 1 41test_trace snapshot 2 42 43exit 0 44